Study concerned with the effects of procedural differences on the classification of geometrical stimuli. (Author)

Executive competence is defined as the child's ability to initiate and sustain locomotor, manipulative, and visually regarding activities at a given level of complexity and intensity, and with a given degree of self-sufficiency. (Author)

Results indicated that girls' rule violations were affected by the model's skill level, and by interaction of the model's verbal and behavioral expressions relevant to those rules. (Authors)

Study is an initial effort at determining the sequence and developmental level at which children first use a variety of situational variables in making decisions concerning the appropriateness of various types of aggressive responses. (Authors)

Findings, confirming the results of an earlier study using a less deprived population, indicated that young black children do not benefit from having the Binet administered in Negro Dialect. (Author)

By comparing the results of this investigation with the attitude organization of adults, an understanding may be gained of the processes involved in attitude development. (MB)

Results suggest that selective attention is a multifaceted skill, with development of its parts progressing at different rates. (Author)

When differences in level of motivation were controlled, all of the previously found differences between firstborn and later born disappeared. (Authors)

Normal and abnormal language development depends to a great degree on the nature of the infant-mother relationship. (Author)

Major conclusion from this exploratory analysis was that if the black families were viewed by white norms they appeared authoritarian, but that, unlike their white counterparts, the most authoritarian of these families produced the most self-assertive and independent girls. (Author)

Behavioral pattern of deficits observed in dyslexic children is quite similar to adults who have sustained damage to the left cerebral hemisphere. (Authors)

An actometer is a modified self-winding calendar watch which records acceleration and deceleration of movements with a significant component" in the same plane as the face of the watch. Actometers tested in this study were not reliable. (Author/MB)

Two experiments were conducted to assess the effects of varying degrees of external evaluation not only on performance but also on continuing motivation. (Authors)

A possible interpretation of the differential predictability across school systems as revealed in this study, is offered. (Authors/MB)